Pentagon End Mill & Ball Nose Re-Sharpener MR-X8R Suitable size 6-20 mm
This ball nose end mill re-sharpener is a specialized grinding machine designed for the precise sharpening of cutting tools used in 3D contour milling and mold making. The Φ6–Φ20 mm grinding range accommodates a full set of metric collets. • Adjusts point angles from 0° to 3° • Operates on AC 220V/250W at 4400 RPM • Ships with SDC wheel, CBN available • Measures 60 × 30 × 37 cm for bench mounting
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Specifications
For: MR-X8R Suitable size 6-20 mm- Model No.
- MR-X8R
- Collets Included
- Φ6, Φ8, Φ10, Φ12, Φ14, Φ16, Φ18, Φ20 mm
- Point Angle
- 0° – 3°
- Grinding Range
- Φ6 mm – Φ20 mm
- Flute Compatibility
- Ball nose end mills
- Power
- AC 220V/250W
- Grinding Wheel
- SDC (standard), CBN (optional)
- Speed
- 4400 RPM
- Dimensions
- 60 × 30 × 37 cm
- Weight
- 40 kg
Description
PENTAGON END MILL Ball Nose re-SHARPENER MR-X8R suitable to grind 6-20 mm size end mills and Ball Nose with Grinding wheel, Standard size : R0.5, R1 with Six collets: 6, 8, 10, 12, 14, 16,
18, 20 with 3 collets chucks 2-4 flutes ×1 piece, 3-6 flutes ×1 piece
Features
1.Accommodates ball nose end mills with diameters ranging from Φ6 mm to Φ20 mm, making it suitable for a wide range of tool sizes.
2.Equipped with a 220V/250W DC motor that drives the grinding wheel at 4,400 RPM, ensuring efficient material removal and a fine surface finish.
3.Allows for point angle adjustments between 0° and 3°, enabling the sharpening of both the end face and the cutting edges of the end mill.
4.Comes standard with SDC (Silicon Diamond) grinding wheels, suitable for sharpening carbide tools. An optional CBN (Cubic Boron Nitride) wheel is available for HSS tools.
5.Includes eight collets: Φ6, Φ8, Φ10, Φ12, Φ14, Φ16, Φ18, Φ20 mm, providing versatility for various tool sizes.
6.With dimensions of 60 × 30 × 37 cm and a weight of approximately 40 kg, the MR-X8R is designed for easy integration into small workspaces.
7.Features a user-friendly interface that requires minimal training, making it accessible for operators without extensive grinding experience.
Accessories
Standard Accessories Included
- Grinding wheel : SDC wheel for endmill and ball nose
- Collet Set : Dia , 6, 8, 10, 12, 14, 16, 18, 20mm
Optional Accessories (Extra)
- Face grinding wheel :CBN (for HSS)
More questions buyers ask
What is an end mill re-sharpener?
An end mill re-sharpener is a specialized grinding machine used to restore the cutting edges of end mills and ball nose cutters, extending their tool life and maintaining machining precision.
What size range does the Pentagon MR-X8R support?
The Pentagon MR-X8R is designed to accommodate end mills and ball nose cutters with diameters ranging from 6 mm to 20 mm.
Can this machine sharpen carbide tools?
Yes, it comes standard with an SDC (Silicon Diamond) grinding wheel, which is ideal for sharpening carbide end mills.
Is it possible to sharpen HSS tools with this machine?
Yes, by using an optional CBN (Cubic Boron Nitride) grinding wheel, the machine can effectively sharpen HSS (High-Speed Steel) tools.
What is the motor power of the MR-X8R?
The machine is equipped with a 220V/250W DC motor that operates at 4,400 RPM.
Does it require specialized training to operate?
No, the MR-X8R features a user-friendly interface designed for easy operation, requiring minimal training for operators.
What is included in the standard accessory set?
The standard set includes an SDC grinding wheel, eight collets (6, 8, 10, 12, 14, 16, 18, 20 mm), and collet chucks for 2-4 and 3-6 flutes.
What are the dimensions and weight of the machine?
The machine measures 60 x 30 x 37 cm and weighs approximately 40 kg, making it compact for industrial workshops.
Can it sharpen ball nose end mills?
Yes, the MR-X8R is specifically engineered to handle both standard end mills and ball nose end mills within the 6-20 mm range.
What is the point angle adjustment range?
The machine allows for point angle adjustments between 0° and 3° for precise sharpening of the end face and cutting edges.
Who should choose the Pentagon MR-X8R?
The Pentagon MR-X8R is ideal for industrial workshops and tool rooms that frequently use 6-20mm end mills and need a reliable, easy-to-use solution for in-house tool reconditioning.
How does the MR-X8R compare to manual sharpening?
The MR-X8R provides consistent, accurate, and rapid sharpening results that are difficult to achieve manually, significantly reducing tool replacement costs.
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Full description
This ball nose end mill re-sharpener is a specialized grinding machine designed for the precise sharpening of cutting tools used in 3D contour milling and mold making. The Φ6–Φ20 mm grinding range accommodates a full set of metric collets. • Adjusts point angles from 0° to 3° • Operates on AC 220V/250W at 4400 RPM • Ships with SDC wheel, CBN available • Measures 60 × 30 × 37 cm for bench mounting